Todays topic is Volcanoes

Volcanoes

There are more ………… 500 active volcanoes in the world, but what exactly is a volcano ? Well, under the Earth`s crust there ………… a deep layer of molten rock called magma. As this magma boils, like water in pot, ………… sometimes pushes up through a weak spot in the crust and boiling lava flows out.This lava becomes hard and eventually forms a volcanic mountian. Sometimes volcanoes erupt, sending hot ash, gases and rocks flying into ………… air. When these fa back down ………… often fall back into a circle and form a large hole in the middle called a crater.An erupting volcano ………… cause great problems. When Mount St Helens in Washington, USA, erupted ………… 1980, for example it caused large earthquakes , massive avalanches, mudslides ………… huge explosions 57people were killed.

Volcanoes

There are more ………… 500 active volcanoes in the world, but what exactly is a volcano ? Well, under the Earth`s crust there ………… a deep layer of molten rock called magma. As this magma boils, like water in pot, ………… sometimes pushes up through a weak spot in the crust and boiling lava flows out.This lava becomes hard and eventually forms a volcanic mountian. Sometimes volcanoes erupt, sending hot ash, gases and rocks flying into ………… air. When these fa back down ………… often fall back into a circle and form a large hole in the middle called a crater.An erupting volcano ………… cause great problems. When Mount St Helens in Washington, USA, erupted ………… 1980, for example it caused large earthquakes , massive avalanches, mudslides ………… huge explosions 57people were killed.

New Words :Erupt-дэлбэрэхMolten-Халуун хайлмагFlow-УрсахAsh-ГазMassive-ТомAvalanches-НурангиCrater-ТогооEventually-эцсийн эцэст

Mount St Helens (Washington,USA)

• Tamu Massif: The Most Massive Volcano

Mauna Kea: The "Tallest Volcano"

Ojos del Salado: The "Highest Summit Elevation"

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